ADDomain: Add Get-ADDomain Additional Retry Exceptions

[X-Guardian]

Pull Request (PR) description

This PR adds the following additional exceptions to the retry mechanism for the Get-ADDomain cmdlet that have been shown to occur when the domain controller is initialising:

• System.Security.Authentication.AuthenticationException
• System.InvalidOperationException

This Pull Request (PR) fixes the following issues

• Fixes ADDomain: ARM template deployment fails due to ActiveDirectoryDsc resource ADDomain throwing an error on first reboot after a DC Promo #2 #574

Task list

• Added an entry to the change log under the Unreleased section of the
  file CHANGELOG.md. Entry should say what was changed and how that
  affects users (if applicable), and reference the issue being resolved
  (if applicable).
• Resource documentation added/updated in README.md.
• Resource parameter descriptions added/updated in README.md, schema.mof
  and comment-based help.
• Comment-based help added/updated.
• Localization strings added/updated in all localization files as appropriate.
• Examples appropriately added/updated.
• Unit tests added/updated. See DSC Community Testing Guidelines.
• Integration tests added/updated (where possible). See DSC Community Testing Guidelines.
• New/changed code adheres to DSC Community Style Guidelines.

---

This change is 

[johlju]

Reviewed 4 of 4 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved